The secret garden — Chapter Eighteen Coming alive (下)

　　"Quiet, my boy. No letter will be sent, without your permission," said the doctor. He said no more about it, and soon left the room. When he did, Colin and Mary burst out laughing.

　　"I don"t understand it either, Sarah," said the doctor to Mrs. Medlock. "Is there any way the children can get food secretly?"

　　"Not unless they dig it out of the ground!" said Mrs.Medlock. "Really, the change is amazing. Miss Mary used to be the ugliest, thinnest little girl. She looked like a sour old woman! Now she"s pretty. Now, she and Master Colin are always outside. They laugh together just like normal children. Maybe they"re getting fat on that."

　　"Maybe they are," said the doctor. "Let them laugh!"